Which of these is NOT true about electromagnets?
A)
they are permanent
B)
increas...
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Physics, 07.06.2020 00:58 mamaDee5919
Which of these is NOT true about electromagnets?
A)
they are permanent
B)
increasing the battery makes them stronger
C)
they need a battery or other source of current
D)
increasing the number of coils makes them stronger
PLEASE HELP ASAP
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Answers: 2
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